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GPR84

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All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

Background

G protein-coupled receptor 84 (GPR84) is a seven-transmembrane class A receptor encoded by the GPR84 gene, abundantly expressed on myeloid cell plasma membranes across inflammatory tissue compartments. Unlike soluble cytoplasmic signaling mediators without lipid anchoring helices, GPR84 contains seven continuous transmembrane helices and an extracellular pocket specialized for medium-chain fatty acid ligand binding. It appears to function as immune-sensing receptor to transmit lipid-derived extracellular cues into intracellular inflammatory messenger cascades.

Uncontrolled lipid ligand stimulation may trigger excessive immune cell activation without balanced signal buffering provided by GPR84 regulatory dynamics. Different inflammatory tissue microenvironments release distinct fatty acid substrates, creating varied ligand concentration gradients to tune the intensity of immune response. Membrane-localized GPR84 continuously senses surrounding lipid molecules and triggers graded downstream signaling to maintain steady inflammatory baseline levels within tissue regions.

Variants of the GPR84 gene change fatty acid ligand binding affinity and may disrupt balanced immune signaling output. No other class A GPCR fully duplicates GPR84’s unique preference for medium-chain lipid ligands and immune signal regulatory functions. GPR84 exclusively resides on outer plasma leaflets of myeloid cells, without translocation into cytoplasmic organelles. Changes in GPR84 expression levels correlate with tissue inflammatory status, making this receptor a suitable research target for lipid-sensing GPCR structural biology. Loss of functional GPR84 weakens lipid-triggered immune signal transmission and disrupts tissue inflammatory equilibrium, forming core research material for myeloid receptor studies.

Fig. 1 Cryo EM structure of human GPR84 Gαi signaling complex for recombinant membrane protein research reagent reference. (OA Literature)Fig. 1 Cryo‑EM structure of human GPR84‑Gαi signaling complex bound with representative ligands.1

GPR84 Protein Function: Core Roles in Fatty Acid Sensing and Immune Signal Modulation

The biological functions of integral membrane GPR84 lipid-sensing GPCR are focused on medium-chain fatty acid recognition and inflammatory signal transduction:

  • Lipid Ligand Affinity: May selectively bind medium-chain fatty acid ligands at myeloid cell membrane surfaces without permanent membrane detachment. Ligand binding induces helical conformational rearrangement.
  • Inflammatory Signal Tuning: Could adjust cytoplasmic messenger production to prevent over-amplified immune cell activation upon lipid stimulation.
  • Immune Cue Mediator: Appears to convert extracellular fatty acid signals into intracellular kinase cascades. Weak lipid-receptor binding generates reversible conformational shifts detectable via standard laboratory analytical workflows.
  • Tissue Inflammatory Homeostasis Modulation: Shapes graded immune signal amplitudes to coordinate steady myeloid cell responsiveness.
  • Research Model Relevance: Sequence variants of GPR84 may alter fatty acid-triggered conformational shift efficiency in laboratory research systems.

GPR84 Protein Product

Creative Biolabs offers purified GPR84 membrane protein samples produced under unified preparation workflows, including full-length GPR84 constructs and selected receptor fragments designed according to receptor topology. Truncated receptor fragments cannot reproduce complete medium-chain fatty acid recognition or G-protein coupling, while full-length constructs are suitable for structural and biochemical studies of GPR84. All batches receive uniform quality screening. Functional assessment of ligand recognition and G-protein signaling requires appropriately folded full-length GPR84 in suitable membrane or cellular systems. Full-length GPR84 membrane samples can be used for comparative structural characterization and receptor-ligand interaction studies under appropriate membrane-mimetic conditions, supporting research on GPR84 ligand recognition and signaling mechanisms.

GPR84 Membrane Protein Product

Not finding the Membrane Protein product you need? Contact us to start your one-stop custom service!

GPR84 Stable Cell Line Product

Creative Biolabs provides cell research models with adjustable GPR84 expression levels, suitable for structural observation of seven-transmembrane immune GPCRs and fatty acid ligand interaction research. Sample assessment covers sustained target membrane expression detection and preliminary lipid binding analysis, enabling side-by-side comparison of receptor conformational behavior under varying membrane expression abundances. These cell models can be paired with immune signal detection schemes to track shifts in inflammatory messenger output alongside changing target membrane protein levels.

GPR84 Stable Cell Line Product

Not finding the stable cell line product you need? Contact us to start your one-stop custom service!

GPR84 Recombinant Antibody Product

Anti-GPR84 recombinant antibodies are generated via standardized protein preparation workflows, compatible with routine laboratory detection techniques for myeloid plasma membrane localization mapping and lipid-receptor complex identification. The antibody series works with common laboratory detection reagents to support multi-dimensional observation of target membrane distribution within inflammatory tissue samples.

GPR84 Recombinant Antibody Product

Not finding the recombinant antibody product you need? Contact us to start your one-stop custom service!

Product Features

  • Fatty Acid Matching Structural Traits: Retains native lipid binding pocket features, suitable for laboratory observation of medium-chain lipid and membrane receptor binding interactions.
  • Target Selective Recognition: May bind unique extracellular structural regions unique to GPR84, applicable to mechanistic research on immune-sensing class A GPCRs.
  • Inflammatory Research Compatibility: Designed for standard laboratory analysis of lipid-triggered immune regulatory pathways.
  • Full Customization Support: Customized GPR84 membrane protein, antibody and cell model development can be arranged to meet lipid immune receptor research demands.

Custom GPR84 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for GPR84 research:

  • Custom GPR84 Membrane Protein Production: Tailored mutant and fluorescent-tagged GPR84 constructs for dual fatty acid-receptor binding analysis.
  • Custom Antibody Development: Generation of target-specific GPR84 antibodies for myeloid membrane localization observation and lipid-receptor complex detection.
  • Stable Cell Line Engineering: Construction of customized cell systems with tunable immune receptor expression levels.
  • Functional Assay Development: Custom design of detection workflows for observing fatty acid-triggered inflammatory signal activity.

Frequently Asked Questions (FAQ)

  1. What is the primary function of GPR84?

    GPR84 may act as seven-transmembrane lipid-sensing GPCR to recognize medium-chain fatty acids and relay intracellular inflammatory immune signals.

  2. Why is GPR84 a significant research target?

    GPR84 expression status may alter myeloid cell lipid ligand response capacity, serving as a key mediator of tissue inflammatory balance biological processes.

  3. Are Creative Biolabs' GPR84 products suitable for clinical use?

    No, all GPR84 related products and services are strictly for research use only, and cannot be applied in clinical workflows. All material design and functional screening are optimized exclusively for basic laboratory research, without meeting clinical application criteria.

  4. What types of GPR84 products does Creative Biolabs offer?

    Offerings include full-length GPR84 membrane protein, target-specific recombinant antibodies and tunable expression cell research models, supporting research on fatty acid binding and immune signal transduction.

  5. How to assess the fatty acid binding capacity of GPR84 samples?

    Laboratory analysis schemes may include medium-chain lipid ligand binding assays to assess fatty acid recognition capacity under simulated lipid bilayer environments.

Reference
  1. Zhang, Xuan, et al. "Pro-phagocytic function and structural basis of GPR84 signaling." Nature Communications 14.1 (2023): 5706. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.1038/s41467-023-41201-0
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